7138891 is an odd 7-digits composite number following 7138890
and preceding 7138892 . In scientific notation, it is written as 7.138891 × 10^6.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 6829920 positive integers (up to 7138891) that are relatively prime to 7138891.
7138891 has 8 divisors, whose sum is 7454384
The reverse of 7138891 is 1988317
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 37
Digital Root 1
Name
seven million one hundred thirty-eight thousand eight hundred ninety-one
Scientific notation
7.138891 × 10^6
Engineering notation
7.138891 × 10^6
Prime Factorization
37 × 61 × 3163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7138891
Product of the distinct prime numbers
The prime factorization of 7138891 is 37 × 61 × 3163.
Since it has a total of 3 prime factors.
6 , 5 , 81 , 82 , 134 , 558 , 944 , 52 , 81772 , 81228 , 692801 , 816769 , 2952759 , 9988451 , 6794978 , 52500276 , 843335761 , 523179883 , 9802822984 , 1326227652
n×2
14277782
n×3
21416673
n×4
28555564
n×5
35694455
n÷2
3569445.5
n÷3
2379630.3333333
n÷3
1784722.75
n÷5
1427778.2
n2
50963764709881
n3
3.6382476121349E+20
n4
2.5973053134041E+27
n5
1.8541879526113E+34
2 √n
2671.8703187093
3 √n
192.55002691467
4 √n
51.690137538116
5 √n
23.481516975922
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7138890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7138891 can be divided by 8 positive divisors.
The sum of these divisors (counting 7138891) is 1, the average is 0.125.
Base
System
Value
2
Binary
11011001110111001001011
3
Ternary
111102200201101
4
Quaternary
123032321023
5
Quinary
3311421031
6
Senary
413002231
8
Octal
33167113
10
Decimal
7138891
12
Duodecimal
2483377
16
Hexadecimal
6cee4b
20
Vigesimal
24c74b
36
Base36
490ej
md5
a89ee708fb36d6e2513870911cf49fbf
sha1
9109adf5ae295652bd77838ddaa60bf4541a50b9
sha256
1848b307b14a6b441882f029db2285f7c49df7082e9f34d73682e56943e56d0a
sha512
935c7ad2ffc48278878d1b890565fb8d818f51d9d622bb848f592855739be2f2fff5bb9e5481fde355244e87749e527366ff11c3db5788ff7ad5774a8ede177c
ripemd-160
c0f869d8a4f0cdc83a3bd3469c7a73a2e3f12770
Diameter
14277782
Circumference
44854975.040757
Area
1.6010738881184E+14
Volume
1.5239855960298E+21
Surface area
6.4042955524736E+14
Circumference
44854975.040757
Perimeter
28555564
Area
50963764709881
Diagonal
10095916.472503
Surface area
305782588259286
Volume
3.6382476121349E+20
Space diagonal
12364921.921696
Perimeter
21416673
Area
22067957455625
Altitude
6182460.9608481
Surface area
22067957455625
Volume
4.2877159302939E+19
Height
3365305.4908344